<SEC-DOCUMENT>0000732847-23-000006-index.html : 20230215 <SEC-HEADER>0000732847-23-000006.hdr.sgml : 20230215 <ACCEPTANCE-DATETIME>20230214183611 ACCESSION NUMBER: 0000732847-23-000006 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230215 DATE AS OF CHANGE: 20230214 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MATRIX SERVICE CO CENTRAL INDEX KEY: 0000866273 STANDARD INDUSTRIAL CLASSIFICATION: CONSTRUCTION SPECIAL TRADE CONTRACTORS [1700] IRS NUMBER: 731352174 STATE OF INCORPORATION: DE FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-41526 FILM NUMBER: 23632631 BUSINESS ADDRESS: STREET 1: 15 EAST 5TH STREET STREET 2: SUITE 1100 CITY: TULSA STATE: OK ZIP: 74103 BUSINESS PHONE: 9188388822 MAIL ADDRESS: STREET 1: 15 EAST 5TH STREET STREET 2: SUITE 1100 CITY: TULSA STATE: OK ZIP: 74103 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: FIRST WILSHIRE SECURITIES MANAGEMENT INC CENTRAL INDEX KEY: 0000732847 IRS NUMBER: 952844956 STATE OF INCORPORATION: CA FISCAL YEAR END: 0930 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 1214 EAST GREEN STREET, SUITE 104 CITY: PASADENA STATE: CA ZIP: 91106-3171 BUSINESS PHONE: (626) 796-6622 MAIL ADDRESS: STREET 1: 1214 EAST GREEN STREET, SUITE 104 CITY: PASADENA STATE: CA ZIP: 91106-3171 FORMER COMPANY: FORMER CONFORMED NAME: FIRST WILSHIRE SECURITIES MANAGEMENT INC /CA DATE OF NAME CHANGE: 20010411 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G <SEQUENCE>1 <FILENAME>mtrx123122.txt <TEXT> Document 1 - file: mtrx123122.txt
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